dilfridge@gentoo.org sci@gentoo.org Gentoo Science Project Armadillo is a C++ linear algebra library (matrix maths) aiming towards a good balance between speed and ease of use. Integer, floating point and complex numbers are supported, as well as a subset of trigonometric and statistics functions. Various matrix decompositions are provided through optional integration with LAPACK and ATLAS libraries. A delayed evaluation approach is employed (during compile time) to combine several operations into one and reduce (or eliminate) the need for temporaries. This is accomplished through recursive templates and template meta-programming. Link with sci-libs/arpack libraries for eigen decomposition Use matrix allocation from the Intel MKL sci-libs/mkl Use matrix allocation from the Threads Building Blocks dev-cpp/tbb Use SuperLU for sparse linear equation solving sci-libs/superlu arma